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CLARK ROBINSON, OF HORNELLSVILLE, NEW YORK, ASSIGNOR OF ONE- FOURTH TO JNO. KUNTZE, OF SAME PLACE.

DETERGENT.

SPECIFICATION forming part of Letters Patent No. 319,323, dated June 2, 1885.

* Application filed February 20, 1885.

To all whom, it may concern.-

Be it known that I, CLARK RonINsoN, of Hornellsville, in the county of Steuben and State of New York, have invented certain new and useful Improvements in Detergents; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it.

My invention relates to an improvement in detergents; and it consists in a compound composed of rye-flour, wheat-flour, corn-starch, glue, yeast, and water, as will be more fully described hereinafter.

The object of my invention is to produce a compound by means of which wall-papers, painted surfaces, and frescoes can be cleaned and restored to all of their original beauty and brilliancy, and that without the slightest danger of injuringthe paper or frescoing, no matter how delicate and fine the colors may be.

To make a ball weighing about eight pounds, I take as follows: rye-flour, three pounds; wheat-flour, three pounds; corn-starch, two pounds; white glue, one ounce; compressed yeast, two cakes.

These ingredients are thoroughly mixed together with a sufficient quantity of water, and either baked or steamed until thoroughly cooked. WVhen the compound is baked, the crust is removed while the mass is still hot,

(No specimens.)

and then the mass is compressed in any suit able manner to less than one-half its original size. Where steam is used, there is no crust to be removed, but the mass is compressed in the same manner. The yeast serves to make the mass porous while being cooked. The glue serves to prevent the mass from cracking and breaking apart, as it will do after the mass has become somewhat dry. The starch serves to make the mass more dense and compact, and at the same time causes the flakes to roll off in fine particles, thus preventing fine and delicate papers from being injured by having the compound catch upon it. The rye and wheat flours serve as means to hold the starch and glue together.

After the compound has been cooked and compressed, it may be wrapped in tin-foil or any other suitable material which will prevent the evaporation of the moisture.

Having thus described my invention, I claim- A detergent for cleaning wall-paper, composed of rye-flour, wheat-flour, cornstarch, glue, and yeast, in or about the proportions specified.

In testimony whereof I affiX my signature in presence of two witnesses.

' CLARK ROBINSON.

Witnesses:

F. A. LEI-IMANN, L. F. GARDNER. 

